ANC08CA057

NTSB accident investigation · Fairchild Swearingen SA 227-AC · Anchorage, AK · April 4, 2008

Accident · No injuriesData collectionFinal report
Date
April 4, 2008, 13:27 local (21:27 UTC)
Place
Anchorage, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N650PAFairchild Swearingen SA 227-AC
Defining event
Landing-flare/touchdown: Hard landing
Weather
Visual (VMC) · Day
Status
Completed · report May 28, 2008
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
Anchorage FSDO
Case key
67883

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The flightcrew's misjudged flare while landing.

Findings · 1

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: landing flareAircraft › Aircraft oper/perf/capability · Incorrect use/operationFairchild SA227-AC: 1 caseAll aircraft: 1,285 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

According to the operator's director of operations, maintenance personnel discovered damage to the twin-engine turboprop airplane during a routine, daily inspection. A review of the airplane flight logs revealed that the airplane's damage most likely occurred as the result of a hard landing event during the last flight, earlier that day. The airplane sustained structural damage to the wings and fuselage. Neither of the two pilots reported any preaccident mechanical problems with the airplane, nor did they report any hard landing event.

Factual narrative

According to the operator's director of operations, maintenance personnel discovered damage to the twin-engine turboprop airplane during a routine, daily inspection. A review of the airplane flight logs revealed that the airplane's damage most likely occurred as the result of a hard landing event during the last flight, earlier that day. The airplane sustained structural damage to the wings and fuselage. Neither of the two pilots reported any preaccident mechanical problems with the airplane, nor did they report any hard landing event.

Aircraft

Registration
N650PA
Reported as
Fairchild Swearingen SA 227-AC
Category
Airplane
Serial number
775B
Airframe hours
36,409
Engine
Garrett-AiResearch TPE 331-11U, 1,000 horsepower, turbo prop
Damage
Substantial damage
Flight
Positioning · Part 91
Registered owner
Peninsula Airways Inc
Airworthiness certificate
Standard, Normal
Last inspection
Continuous airworthiness · April 1, 2008
Departed
SNP · St Paul Island, AK
Destination
ANC · Anchorage, AK
Flight plan
IFR
Airport
ANC · Anchorage Intl, runway 14, 11,584 × 150 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
50
Injuries
None
Certificates
Flight engineer, Airline transport, Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
December 1, 2007
Seat
Left
Flight hours
11,596 total · 906 in this make and model · 624 in the last 90 days · 201 in the last 30 days · 7 in the last 24 hours
Role
Co-pilot
Age
31
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
February 1, 2008
Seat
Right
Flight hours
2,598 total · 2,298 in this make and model · 236 in the last 90 days · 87 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day